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Acquisition (Narrative) (Details) - USD ($)
$ in Thousands
9 Months Ended
Dec. 26, 2015
Mar. 28, 2015
Business Acquisition [Line Items]    
Goodwill $ 287,518 $ 263,115
Payments to Acquire Businesses, Net of Cash Acquired 36,788  
Wolfson [Member]    
Business Acquisition [Line Items]    
Goodwill $ 247,216